my method "abc" return array of interface "xyz" and "pqr" is abstract class implements abc and class "jkl" extends pqr My problem 1) when i call abc it retrun array xyz how can i do this hint xyz refer_xyz = new jkl(); but i can't create array. 2)I want to access method of jkl using reference of xyz??
1 2741StringBuilder s = new StringBuilder("Hello Mom");s.append(",I mean,Mother"); Response.Write(s.ToString()); String s = "Hello Mom"; s+ = ",I mean Mom"; Response.Write(s); Which is faster ? which uses the most memory?
HCL,
6 6413I have one Shopping cart application, i that i have selected some items, while clicking submit button by mistake i have clicked twice or trice, that time items are selected twice or trice. Actually i want only one copy of items but its selected twice or trice. So how can we avoid this problem?
2 5410Hai all I want to print given array in reverse order Ex: int a[]={1,2,3,4,5};display this array in reverse order.
4 4373when a servlet sends request for first time it uses the follwing methods a)init b)doget() c)dopost() d)service
4 5588I have 100 records in a table with two rows. I need to display 10 records per page like Google Search. I need only the Logic(Pagination) in Pure Java. No JSP and all..Thanks in Advance...
2 6612
How are destructors defined in java?
which one is more efficient int x; 1. if(x==null) 2.if(null==x) state which one either 1 or 2?
What is anagram of a string?
Why is the main method declared static?
What is locale in java?
What do you mean by thread safe?
What does opcode mean?
Is jdk required on each machine to run a java program?
Explain java coding standards for interfaces?
How can we use primitive data types as objects?
What is a treeset in java?
What 5 doubled?
What is the purpose of the main method?
what do you mean by stream pipelining in java 8? Explain
Can a string be null?
